Our study goal is to develop and validate questionnaire for patient satisfaction and then using this questionnaire tool to evaluate patient satisfaction then building a model to predict patient satisfaction using artificial neural network. need help to calculate sample size for this study.
The sample size doesn't have anything to do with the fact that a neural network is involved in the classification. It has to do with the classification itself.
you mean that it is the same sample if I used logistic regression instead of ANN ?
Of course. What a single layer neural network can do, that regression can't, is to provide insight into what kind of associations can be classified (if they're linesrly separable, they can be) and into the fact that very few actually can be-there's a critical capacity, where the number of associations, that can be classified at all, scales linearly with the number of inputs.
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